From: Julien Desfossez <jdesfossez@efficios.com>
Date: Thu, 30 Jun 2016 15:43:50 +0000 (-0400)
Subject: Add ustctl command to regenerate the statedump
X-Git-Tag: v2.9.0-rc1~51
X-Git-Url: http://git.liburcu.org/?p=lttng-ust.git;a=commitdiff_plain;h=f53329f3d1489c6241f8606954835357a56a9eab

Add ustctl command to regenerate the statedump

Signed-off-by: Julien Desfossez <jdesfossez@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h
index 06de95c2..08122a79 100644
--- a/include/lttng/ust-ctl.h
+++ b/include/lttng/ust-ctl.h
@@ -260,6 +260,9 @@ int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
 /* returns whether UST has perf counters support. */
 int ustctl_has_perf_counters(void);
 
+/* Regenerate the statedump. */
+int ustctl_regenerate_statedump(int sock, int handle);
+
 /* event registry management */
 
 enum ustctl_socket_type {
diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c
index 97445d5e..7b46eda2 100644
--- a/liblttng-ust-ctl/ustctl.c
+++ b/liblttng-ust-ctl/ustctl.c
@@ -2183,6 +2183,23 @@ int ustctl_reply_register_channel(int sock,
 	return 0;
 }
 
+/* Regenerate the statedump. */
+int ustctl_regenerate_statedump(int sock, int handle)
+{
+	struct ustcomm_ust_msg lum;
+	struct ustcomm_ust_reply lur;
+	int ret;
+
+	memset(&lum, 0, sizeof(lum));
+	lum.handle = handle;
+	lum.cmd = LTTNG_UST_SESSION_STATEDUMP;
+	ret = ustcomm_send_app_cmd(sock, &lum, &lur);
+	if (ret)
+		return ret;
+	DBG("Regenerated statedump for handle %u", handle);
+	return 0;
+}
+
 static __attribute__((constructor))
 void ustctl_init(void)
 {